Power washing a retaining wall


  #1  
Old 07-02-17, 07:38 AM
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Power washing a retaining wall

Hi, I have retaining walls on each side of my driveway. They are made of stone blocks and need cleaned. Do I run any risk of weakening the walls by using the power/pressure washer? Thanks!
 
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Old 07-02-17, 09:12 AM
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Probably not. Are they loosed laid or mortared?
Using a cleaning agent generally makes for quicker work and less need for more pressure.
 
greenroach84 voted this post useful.
 

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